Add protection against out-of-bounds read in ttconv - #20629

Add protection against out-of-bounds read in ttconv#20629

jkseppan merged 2 commits into

matplotlib:mastermatplotlib/matplotlib:masterfrom

sauerburger:fix-out-of-bounds-read-ttconvsauerburger/matplotlib:fix-out-of-bounds-read-ttconvCopy head branch name to clipboard